1996436703968 has 96 divisors (see below), whose sum is σ = 4578691815936. Its totient is φ = 839113486848.

The previous prime is 1996436703923. The next prime is 1996436703979. The reversal of 1996436703968 is 8693076346991.

It is a super-2 number, since 2×1996436703968² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28731155 + ... + 28800557.

It is an arithmetic number, because the mean of its divisors is an integer number (47694706416).

Almost surely, 2^{1996436703968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996436703968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289345907968).

1996436703968 is an abundant number, since it is smaller than the sum of its proper divisors (2582255111968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1996436703968 is a wasteful number, since it uses less digits than its factorization.

1996436703968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71896 (or 71888 counting only the distinct ones).

The product of its (nonzero) digits is 317447424, while the sum is 71.

The spelling of 1996436703968 in words is "one trillion, nine hundred ninety-six billion, four hundred thirty-six million, seven hundred three thousand, nine hundred sixty-eight".